TRAF1 and rheumatoid arthritis: The p-values of HT, oPC (0.8), SSU, SKAT, mCPC (k0.8) and tCPC of detecting associations between gene TRAF1-C5 and rheumatoid arthritis are 5.21 × 10−5, 7.58 × 10−3, 5.95 × 10−4, 6.50 × 10−5, 7.56 × 10−5 and 3.75 × 10−5, respectively.